Oil-burner.



J. I. SLOAN.

OIL BURNER.

APPLICATION FILED SEPT.24, 1912.

1,072,265. Patented Sept. 2, 1913.

WITNESSES. l/VVE/V TOR James! (5/000 ATTORNEY UNITED STATES PATENTOFFICE.

JAMES I. SLOAN, OF KANSAS CITY, MISSOURI.

OIL-BURNER.

Application filed September 24, 1912.

To all whom it may concern:

Be it known that I, JAMES I. SLOAN, a citizen of the United States,residing at Kansas City, in the county of Jackson and State of Missouri,have invented certain new and useful Improvements in Oil-Burners; and Ido declare the following to be a full, clear, and exact description ofthe invention, such as will enable others skilled in the art to which itappertains to make and use the same, reference being had to theaccompanying drawings, and to the letters and figures of referencemarked thereon, which form a part of this specification.

My invention relates to oil burners, and has for its principal object toprovide a device of that class for use in stoves, or turnaces, andwherein oil supplied to the burner is spread throughout an extended areain order to secure proper vaporization, and wherein the oil vapor ismixed with fresh air to produce etlicicnt combustion. In accomplishingthese objects, I have provided the improved details of structurehereinafter described and illustrated in the accompanying drawings,wherein Figure I is a perspective view of a burner constructed accordingto my invention, a part of the top burner plate being broken away forbetter illustration. Fig. II is a central, vertical section of theburner, and the fire bowl of a stove to which it is applied. Fig. III isan inverted, perspective view of the top plate of a burner.

teiterring more in detail to the parts: 1 designates the bottom plate orbowl of the burner, which is usually mounted on a fire brick base 2 inthe fire bowl 3 or an ordinary stove or furnace and completely coversthe grate at, in order to exclude air from the burner and upper portionof the fire bowl. The burner bowl 1 has an upturned, pcriphcral flange 5and its bottom slopes upwardly and inwardly to a central collar 6 whichprojects above the face of the plate and has a lower portion 6 dependingfrom the bottom thereof into an aperture 7 in the fire brick base 2.

8 designates a diaphragm plate which is supported from the base by legs9 and has a central boss 10 located over the collared aperture 11 of thebase plate and a depending rim flange 12 spaced from the base plate toform an annular port 13. The top of the diaphragm plate is inclineddownwardly and outwardly toward the periphery, and

Specification of Letters Patent.

Patented Sept. 2, 1913.

Serial No. 722,072.

has a central boss 14 provided with edge notches 1.5 tor spreading 011over the in clined top, as will presently be described.

Extending upwardly through the collared aperture 11, in the base plate,is a supply pipe 16, of such exterior diameter that it forms an annularspace within the collar, through which air may enter the burner beneaththe diaphragm plate and pass through the annular port therearound to mixwith the fuel vapor. The upper end of the supply pipe is threaded intoan opening 17 in the diaphragm plate, but does not project entirelytherethrough, the upper portion of the opening forming a port throughwhich the fuel oil may be delivered on the inclined top of the diaphragmto flow thcreover, so that it may mix with the intake air to provide asuitable fuel.

In order to properly spread the incoming oil, I provide the diaphagmport with a float 18, comprising a convex body which is adapted to seatover and close the top of the port, and having a stem 19 which hangsinto the port and, preferably, a short distance into the supply pipe, inorder to guide the float and retain same in the mouth of the port, theupper edges of the port being provided with corrugations 20 throughwhich the oil may low when the float is seated on the top of the port.It is apparent that with a strong flow of oil the Heat may be liftedsufficiently to allow the oil to pass through the port, but when thepressure is reduced, the float will again drop to its seat.

21 designates a cover plate, of greater diameter than the diaphragm, andprovided with depending concentric rings 22 which support the cover fromthe diaphragm and have notches 23 through which oil delivered throughthe intake port in the diaphragm may pass as it flows down the inclinedtop of the diaphragm. The portion of the cover outside of the outer ringis of greater width than the portion between the inner and outer rings,as it is in the outer space that the oil is vaporized, and the centralportion of the cover is concavcd upwardly over the diaphragm boss inorder that the cover rings may seat on the diaphragm and a space isprovided above the boss through which the oil may flow.

In using the burner, presuming the parts to be constructed as described,and assembled as illustrated, in an ordinary furnace the oil is firstturned on through the supply pipe, and, rising through the pipe, isdelivered onto the diaphragm boss over which plate having centralapertures of different diameter, a cover plate having concentrlc itflows onto the top of the diaphragm to the edge thereof, passing throughthe notches in the edge of the boss and in the bottom of the coverrings, so that it is distributed evenly throughout the top of thediaphragm and passes over the edge thereof in a thin film. As the fueloil passes up through the supply pipe, fresh air passes up through theaperture in the fire brick base and through the collar of the base plateof the burner and is deflected laterally by the diaphragm, rising aroundthe edges of the latter and mixing with the oil to form a combustiblevapor, which, when ignited, burns beneath the edge of the cover plateand coming in contact with the cover plate insures practically completecombustion, owing to the fact that the vapor after con tact-ling thecover plate is deflected back into the flame and must pass therethroughin order to-reach the edge of the cover plateand escapes up through thefire bowl,

aving thus 1 described my invention, what I claim as new therein anddesire to secure by LettersPatent, is i 1. In an oil burner, a baseplate having a central opening, a diaphragm supported on and spaced fromthe base plate and covering the opening, said diapl' agm having anopening therein above the base opening, a fuel supply pipe projectedthrough and spaced from the sides of the base opening and fitted snuglywithin the diaphragm opening, and a cover plate having depending notchedrings supporting same on the diaphragm.

2. In an oil burner, a base plate having a central opening, a diaphragmsupported on and spaced from the base plate and covering the opening,said diaphragm having an opening therein above the base opening, a fuelsupply pipe projected through and spaced from the sides of thebas-eopening and fitted snugly within the diaphragm opening, saiddiaphragm having a boss on its upper portion surrounding the opening andprovided with notches in its outer edge, and a cover plate'supported onand spaced from the diaphragm.

3. An oil burner comprising a base memher, having an edge flange, and aninwardly and upwardly inclined upper surface, a diaphragm having adepending peripheral flange and having legs supporting same from thebase plate whereby the peripheral flange is spaced from the inclinedupper surface thereof, the diaphragm and base rings, one of which isadapted for supporting the plate on the diaphragm and both havingnotches through which fuelfiowing over the surface of the diaphragm maypass,

and a supply pipe extending into the opening 1n the base member into theopening in the diaphragm,- whereby fuel is dellvered onto the top of thediaphragm and air de'' livered around the supply pipe to the spacebetween the diaphragm; an base plate.

at. An oil burner comprising a base member having a central 0- enin adia hra' m.

supported on the base member and having a central opening, a supply pipeextending through the base openlng and into the diaphragm opening, and afioat seated in the upper mouth of the diaphragm opening and having aloosely pendent stem suspended into the diaphragm opening.

5. An oilburner comprising a base plate, having a central opening, adiaphragm seated on and spaced from the base plate and having a centralopening and notches in the upper mouth of the opening, a cover platesupported on the diaphragm, a convex float loosely seated in the uppermouth of the diaphragm opening, and having a stem depending into saidopening, and a supply pipe extending through the base opening into thediaphragm opening.

(3. The combination with a fire bowl, pro vided with an opening, anapertured burner base seated on the bowl base and having a centralopening, a collar on the burner base depending into the bowl base andhaving an upwardly projecting portion, a diaphragm seated on the burnerbase and having a central opening, a supply pipe projecting through thebowl base into the diaphragm opening, and a cover plate on the diaphragmwhereby oil. is delivered onto and flowed over the diaphragm and air'isadmitted- JAMES I. SLOAN.

W'itnesses LEWIS L. MILLER, LETA E. COATS.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

Washington, D. C.

